1. Install Maven:

http://maven.apache.org/download.html#Installation

2. cd katoApi
 mvn compile
 mvn package
 mvn install
 
3. cd katoAntTasks
mvn compile
mvn package
mvn install
 
4. cd katoTCK
mvn compile
mvn package
mvn install
 
5. cd katoTests
mvn compile
mvn package
mvn install